Speaker



FIG. 1 is the perspective view of a speaker showing my new design;

FIG. 2 is the front view thereof;

FIG. 3 is the rear view thereof;

FIG. 4 is the left-side view thereof;

FIG. 5 is the right-side view thereof;

FIG. 6 is the top plan view thereof;

FIG. 7 is the bottom plan view thereof; and,

FIG. 8 illustrates the speaker in use.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a speaker, as shown and described. 